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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 18:49:45 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 18:49:45 +0000
commit2c3c1048746a4622d8c89a29670120dc8fab93c4 (patch)
tree848558de17fb3008cdf4d861b01ac7781903ce39 /include/linux/virtio_pci_legacy.h
parentInitial commit. (diff)
downloadlinux-2c3c1048746a4622d8c89a29670120dc8fab93c4.tar.xz
linux-2c3c1048746a4622d8c89a29670120dc8fab93c4.zip
Adding upstream version 6.1.76.upstream/6.1.76upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'include/linux/virtio_pci_legacy.h')
-rw-r--r--include/linux/virtio_pci_legacy.h40
1 files changed, 40 insertions, 0 deletions
diff --git a/include/linux/virtio_pci_legacy.h b/include/linux/virtio_pci_legacy.h
new file mode 100644
index 000000000..a8dc757d0
--- /dev/null
+++ b/include/linux/virtio_pci_legacy.h
@@ -0,0 +1,40 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#ifndef _LINUX_VIRTIO_PCI_LEGACY_H
+#define _LINUX_VIRTIO_PCI_LEGACY_H
+
+#include "linux/mod_devicetable.h"
+#include <linux/pci.h>
+#include <linux/virtio_pci.h>
+
+struct virtio_pci_legacy_device {
+ struct pci_dev *pci_dev;
+
+ /* Where to read and clear interrupt */
+ u8 __iomem *isr;
+ /* The IO mapping for the PCI config space (legacy mode only) */
+ void __iomem *ioaddr;
+
+ struct virtio_device_id id;
+};
+
+u64 vp_legacy_get_features(struct virtio_pci_legacy_device *ldev);
+u64 vp_legacy_get_driver_features(struct virtio_pci_legacy_device *ldev);
+void vp_legacy_set_features(struct virtio_pci_legacy_device *ldev,
+ u32 features);
+u8 vp_legacy_get_status(struct virtio_pci_legacy_device *ldev);
+void vp_legacy_set_status(struct virtio_pci_legacy_device *ldev,
+ u8 status);
+u16 vp_legacy_queue_vector(struct virtio_pci_legacy_device *ldev,
+ u16 idx, u16 vector);
+u16 vp_legacy_config_vector(struct virtio_pci_legacy_device *ldev,
+ u16 vector);
+void vp_legacy_set_queue_address(struct virtio_pci_legacy_device *ldev,
+ u16 index, u32 queue_pfn);
+bool vp_legacy_get_queue_enable(struct virtio_pci_legacy_device *ldev,
+ u16 idx);
+u16 vp_legacy_get_queue_size(struct virtio_pci_legacy_device *ldev,
+ u16 idx);
+int vp_legacy_probe(struct virtio_pci_legacy_device *ldev);
+void vp_legacy_remove(struct virtio_pci_legacy_device *ldev);
+
+#endif